Home / 54,934.12-75,804.42-31,057.48

Finding the Fourth Proportional to 54,934.12, 75,804.42 and 31,057.48

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Solution

The fourth proportional to 54,934.12, 75,804.42 and 31,057.48 is: 42,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.12 : 75,804.42 = 31,057.48 : x
  2. Step 2: Convert to fraction form
    54,934.12/75,804.42 = 31,057.48/x
  3. Step 3: Cross multiply
    54,934.12x = 75,804.42 × 31,057.48
  4. Step 4: Simplify right side
    54,934.12x = 2,354,294,258.06
  5. Step 5: Solve for x
    x = 2,354,294,258.06/54,934.12
  6. Step 6: Final answer
    x = 42,856.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.